Results 101 to 110 of about 11,710 (202)

Gravitomagnetism and gravitational waves

open access: yes, 2010
After extensively reviewing general relativistic gravitomagnetism, both historically and phenomenologically, we review in detail the so-called magnetic components of gravitational waves (GWs), which have to be taken into account in the context of the ...
Corda, Christian, Iorio, Lorenzo
core   +1 more source

Determination of Global Geodetic Parameters Using Satellite Laser Ranging Measurements to Sentinel-3 Satellites

open access: yesRemote Sensing, 2019
Sentinel-3A/3B (S3A/B) satellites are equipped with a number of precise instruments dedicated to the measurement of surface topography, sea and land surface temperatures and ocean and land surface color.
Dariusz Strugarek   +6 more
doaj   +1 more source

Crustal dynamics project session 4 validation and intercomparison experiments 1979-1980 report [PDF]

open access: yes
As part of the Crustal Dynamics Project, an experiment was performed to verify the ability of Satellite Laser Ranging (SLR), Very Long Baseline interferometry (VLBI) and Doppler Satellite Positioning System (Doppler) techniques to estimate the baseline ...
Hothem, L.   +3 more
core   +1 more source

Experiment of Diffuse Reflection Laser Ranging to Space Debris and Data Analysis

open access: yes, 2014
Space debris has been posing a serious threat to human space activities and is needed to be measured and cataloged. As a new technology of space target surveillance, the measurement accuracy of DRLR (Diffuse Reflection Laser Ranging) is much higher than ...
Sun, Hao   +3 more
core   +1 more source

Comparison of Site Velocities Derived from Collocated GPS, VLBI and SLR Techniques at The Hartebeesthoek Radio Astronomy Observatory (Comparison of Site Velocities)

open access: yesJournal of Geodetic Science, 2014
Space geodetic techniques provide highly accurate methods for estimating bedrock stability at subcentimetre level. We utilize data derived from Satellite Laser Ranging (SLR), Very Long Baseline Interferometry (VLBI) and Global Positioning Systems (GPS ...
Munghemezulu C.   +3 more
doaj   +1 more source

SLR, GRACE and Swarm Gravity Field Determination and Combination

open access: yesRemote Sensing, 2019
Satellite gravimetry allows for determining large scale mass transport in the system Earth and to quantify ice mass change in polar regions. We provide, evaluate and compare a long time-series of monthly gravity field solutions derived either by ...
Ulrich Meyer   +6 more
doaj   +1 more source

Basic research for the geodynamics program [PDF]

open access: yes
Some objectives of this geodynamic program are: (1) optimal utilization of laser and VLBI observations as reference frames for geodynamics, (2) utilization of range difference observations in geodynamics, and (3) estimation techniques in crustal ...

core   +1 more source

On the Measurement of the Lense-Thirring effect Using the Nodes of the LAGEOS Satellites in reply to "On the reliability of the so-far performed tests for measuring the Lense-Thirring effect with the LAGEOS satellites" by L. Iorio

open access: yes, 2006
In this paper, we provide a detailed description of our recent analysis and determination of the frame-dragging effect obtained using the nodes of the satellites LAGEOS and LAGEOS 2, in reply to the paper "On the reliability of the so-far performed tests
Cazenave   +29 more
core   +1 more source

Conservative evaluation of the uncertainty in the LAGEOS-LAGEOS II Lense-Thirring test

open access: yes, 2009
We deal with the test of the general relativistic gravitomagnetic Lense-Thirring effect currently ongoing in the Earth's gravitational field with the combined nodes \Omega of the laser-ranged geodetic satellites LAGEOS and LAGEOS II.
A. Milani   +47 more
core   +1 more source

Report of the panel on international programs [PDF]

open access: yes
The panel recommends that NASA participate and take an active role in the continuous monitoring of existing regional networks, the realization of high resolution geopotential and topographic missions, the establishment of interconnection of the reference
Anderson, Allen Joel   +9 more
core   +1 more source

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